<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="contact_name">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>


      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:config:add']"
        >新增
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="configList" @selection-change="handleSelectionChange">
      <el-table-column label="ID" align="center" prop="id"/>

      <el-table-column label="类型" align="center" prop="solution_type_code">
        <template slot-scope="scope">
          <span v-if="getRowSolutionType(scope.row)">{{ getRowSolutionType(scope.row) }}</span>
        </template>
      </el-table-column>

      <el-table-column label="标题" align="center" prop="title" :show-overflow-tooltip="true"/>

      <el-table-column label="描述" align="center" prop="introduce" :show-overflow-tooltip="true"/>

      <el-table-column label="图片" align="center" prop="image">
        <template slot-scope="scope">
          <el-image
            :src="scope.row.image"
            alt="图片"
            style="width: 100px; height: 100px; object-fit: cover;"
            @click="handlePreview(scope.row.image)"
            fit="cover"
          />
        </template>
      </el-table-column>


      <el-table-column label="创建时间" align="center" prop="create_time"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:config:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:config:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改参数配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="50%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="方案类型" prop="dict_value">
          <el-select v-model="form.solution_type_code" placeholder="请选择解决方案类型">
            <el-option
              v-for="dict in solutionTypeList"
              :key="dict.dict_value"
              :label="dict.dict_label"
              :value="dict.dict_value"
            ></el-option>
          </el-select>

        </el-form-item>


        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题"/>
        </el-form-item>


        <el-form-item label="描述" prop="introduce">
          <el-input v-model="form.introduce" type="textarea" placeholder="请输入描述"/>
        </el-form-item>

        <el-form-item label="图片" prop="image">

          <el-upload
            class="avatar-uploader"
            action="http://localhost:5000/api/file/upload"
            :show-file-list="false"
            :on-success="handleUploadSuccess"
            :on-error="handleUploadError"
            :before-upload="beforeAvatarUpload">
            <img v-if="imageUrl" :src="imageUrl" class="avatar" alt="">
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>


        </el-form-item>


      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogVisible" width="70%">
      <img :src="currentImage" alt="预览图" style="width: 100%;"/>
    </el-dialog>

  </div>
</template>

<script>
import {
  pageSolution,
  detailSolution,
  updateSolution,
  addSolution,
  getSolutionTypeList,
  delSolution
} from "@/api/system/solution";

export default {
  name: "Config",
  dicts: ['sys_yes_no'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 参数表格数据
      configList: [],
      // 弹出层标题
      title: "",
      imageUrl: "",
      // 是否显示弹出层
      open: false,
      // 日期范围
      dateRange: [],
      solutionTypeList: [],
      dialogVisible: false,
      currentImage: '',
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        configName: undefined,
        configKey: undefined,
        configType: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        configName: [
          {required: true, message: "参数名称不能为空", trigger: "blur"}
        ],
        configKey: [
          {required: true, message: "参数键名不能为空", trigger: "blur"}
        ],
        configValue: [
          {required: true, message: "参数键值不能为空", trigger: "blur"}
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getSolutionType()
  },
  methods: {
    getSolutionType() {
      getSolutionTypeList().then(response => {
        this.solutionTypeList = response.data;
      });
    },
    getRowSolutionType(row) {
      const solutionTypeMap = {
        '1': '储能系统',
        '2': '移动应用技术',
        '3': '工程机械油改电',
        '4': '新型电池包'
      };
      return solutionTypeMap[row.solution_type_code] || '未知类型';
    },

    handleUploadSuccess(response) {
      if (response.code === 200) {
        this.imageUrl = response.data;
      } else {
        console.error('服务器返回的数据格式不正确');
      }

    },
    handleUploadError(err, file) {
      this.$message.error('上传失败');
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === 'image/jpeg';
      const isLt2M = file.size / 1024 / 1024 < 6;

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!');
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 6MB!');
      }
      return isJPG && isLt2M;
    },

    /** 查询参数列表 */
    getList() {
      this.loading = true;
      pageSolution(this.queryParams).then(response => {
          this.configList = response.rows;
          this.total = response.total;
          this.loading = false;
        }
      );
    },
    handlePreview(image) {
      this.currentImage = image;
      this.dialogVisible = true;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {};
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加参数";
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length != 1
      this.multiple = !selection.length
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      detailSolution({id: id}).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改新闻";
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id !== undefined) {
            updateSolution(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            this.form.image = this.imageUrl
            addSolution(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id || this.ids;
      this.$modal.confirm('是否确认删除参数编号为"' + id + '"的数据项？').then(function () {
        return delSolution({id: id});
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    }

  }
};
</script>


<style>

.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}

.avatar {
  width: 178px;
  height: 178px;
  display: block;
}

</style>
